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Eserese katuun nke Compass jellyfish
Nọmba 1096 n'ime 1 402

Compass jellyfish

Chrysaora hysoscella
Gbasara aha ya: It is named for the brown V-shaped markings on its bell, which resemble the face of a compass.1
Naanị na-afụ ụfụEmetụla ya akaỌ na-afụ ụfụ, mana ọ gaghị emerụ gị ahụ nke ukwuu.
Jelifish na anụ osimiri na-agba agba Tentacles na-agba agbaNri ya: Anụ
Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.

The compass jellyfish is a common jellyfish that lives in cool coastal seas of the northeast Atlantic, including the North Sea and the Mediterranean. Its bell has a pattern that looks like the face of a compass, which gives it its name. Its tentacles carry stinging cells, so it is best left alone.1

Ebe obibi
Coastal waters of the northeast Atlantic, including the Celtic, Irish, North and Mediterranean Seas1
Oké Osimiri Atlantik, Osimiri Mediterenian, Osimiri Ugwu (North Sea)
Ụlọ
It lives in shallow coastal water and moves up and down the water column, mostly near the surface and down to just above the seabed. It is rarely found deeper than 30 m.1
Ogologo
15 cm ruo 25 cm (5.9 in ruo 9.8 in)1
Ọsọ kacha elu
ihe dị ka 0.7 km/h (0.44 mph)
Igwu mmiri, nchepụta
Gịnị ka ọ na-eri?
It eats other marine invertebrates and plankton, including dinoflagellates, copepods, crustacean eggs, larval fish and chaetognaths. It stuns and catches prey with stinging cells on its tentacles, then its oral arms move the prey into its mouth.1
N'ezie!Foto Compass jellyfish
Compass jellyfish. Foto: John Hepburn. CC BY 4.0, iNaturalist.

Otú ị ga-esi mata ya

  • Adults have a bell 15 to 25 cm across, usually yellowish white with some brown.1
  • The bell has 16 brown, elongated V-shaped markings around a central brown spot.1
  • It has 24 tentacles arranged in eight groups of three.1
  • It has four oral arms that are noticeably longer than the tentacles and look folded and frilly.1
  • Juveniles lack the compass pattern. They look white and polka-dotted, with a reddish fringe on the bell edge.1

A na-agwakọkarị ya na: Records of this species from the southeastern Atlantic, including South Africa, were caused by confusion with close relatives: C. africana, C. fulgida and an undescribed species tentatively called "C. agulhensis".1

Ike nsị

Tentacles na-agba agba

Ọtụtụ puku obere sel na-agba agba na-agbapụ mgbe ihe metụrụ ha aka.

Gịnị ka nsị ọ na-agba na-eme?

Each tentacle has stinging cells used to capture prey and to defend against predators. Jellyfish stings are painful and can be deadly to humans.1

Kedu otú o si dị egwu nye mmadụ?

Ihe ize ndụ nye mmadụ: Na-afụ ụfụỌ nwere ike ịfụ ụfụ nke ukwuu, mana ọ naghị adịkarị njọ.

Jellyfish stings are painful and sometimes deadly to humans.1

Gịnị ka ọ na-eme mgbe ụjọ tụrụ ya?

Stinging cells on its tentacles are used to defend it from predators.1

Ọ bụrụ na ọ gbaa

  • Pụta na mmiri, wepụkwa tentacles ya niile (jiri uwe aka ma ọ bụ akwa).
  • Maka box jellyfish nke ebe okpomọkụ: wụsa vinega n'ebe ọ gbara ọ dịkarịa ala sekọnd 30, kpọọ maka enyemaka, dịkwa njikere ime CPR. Maka bluebottles na ọtụtụ ndị ọzọ: jiri mmiri osimiri saa ya, wee jiri mmiri ọkụ maka mgbu ahụ.

Na-ebu ụzọ kpọọ nọmba mberede gị mgbe niile (112, 000, 911). Nke a bụ ndụmọdụ enyemaka mbụ n'ozuzu, ọ bụghị ndụmọdụ ọgwụ. Isi ihe enyemaka mbụ

Nọrọ na nchekwa

  • Emetụla anụ ọhịa aka, ejidela ya, emekwala ya ihe ọjọọ, ọbụna obere, ọbụna ma ọ dị ka ọ na-ehi ụra ma ọ bụ nwụọ anwụ.
  • Nye ya ohere. Ọ bụrụ na ị zutere otu, dị jụụ, laghachi azụ nwayọ, hapụ ya ka ọ gaa ụzọ ya.
  • Ọ bụrụ na otu gbaa gị: dị jụụ, emegharịla ahụ, kpọọ nọmba mberede gị (112, 000, 911) ma ọ bụ gaa ụlọ ọgwụ ngwa ngwa. Cheta ka o si dị, foto na-enye aka.

Ọ naghị achụ gị. Ọ na-eji nsị ya ejide nri ma ọ bụ chebe onwe ya, ọ ga-akakwa mma n'anya ya ịzo onwe ya. Ihe ndị ọzọ gbasara ịnọ na nchekwa

Ebee n'ụwa?

AfrịkaEshiaYuropUgwu AmerikaNdịda AmerikaỌstrelia na OsheniaOké Osimiri AtlantikOsimiri MediterenianOsimiri Ugwu (North Sea)

Ọ hà aṅaa?

Kedu otú o si dị ogologo?

Compass jellyfish ogologo ya dị ihe dị ka 25 cm (9.8 in)Unere ihe dị ka 18 cm (7.1 in)Nwamba ụlọ ihe dị ka 50 cm (1.6 ft)
dị ogologo dị ka blọk egwuregwu 8 n'ahịrị

Kedu otú Compass jellyfish si hà ma e jiri ya tụnyere GỊ?

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Kedu otú o si agba ọsọ?

ọ dị mma ịmara

Eziokwu

1

Males release sperm from their mouths into the water, and females can fertilise sperm from several males.1

2

Adults often carry a parasite called Hyperia medusarum, which settles inside the body, especially the gonads.1

3

Compass jellyfish have very few predators. Leatherback sea turtles and ocean sunfish are known to eat them.1

4

Warmer winters allow longer release periods for young, and the species is predicted to move further north as the seas warm.1

Onye na-ekpughe akụkọ ụgha

Akụkọ ụgha: Compass jellyfish live in the southeastern Atlantic, including South Africa.

Eziokwu: Earlier records from there were due to confusion with close relatives. The species lives in the northeast Atlantic.1

Maka ndị ọkachamara nsị

Aha sayensị
Chrysaora hysoscella
Otu
Jelifish na anụ osimiri na-agba agba
Ezinụlọ
Pelagiidae2
Usoro
Semaeostomeae
Kọntinent dị iche iche
Oké Osimiri Atlantik, Osimiri Mediterenian, Osimiri Ugwu (North Sea), Oké osimiri niile
Ụmụ ọhụrụ
Females release planular larvae, which settle on the seabed and grow into polyps. The polyps then release young medusae.1
Ihe ize ndụ nye mmadụ
2 / 5: Na-afụ ụfụ3

Ebe eziokwu ndị a si

  1. Chrysaora hysoscella (Wikipedia (CC BY-SA 4.0))
  2. Chrysaora hysoscella (iNaturalist): aha na nhazi ọkwa.
  3. Venom Wiki: ọkwa ihe ize ndụ, nha nkịtị na nchepụta ọsọ bụ nke anyị. Lee otú anyị si achọpụta ha: Otú anyị si atụ ihe ize ndụ.

Eziokwu ọ bụla dị na peeji a nwere nọmba na-egosi ebe o si. Ọ bụrụ na anyị mehiere ihe, ndo, anyị bụ ndị hụrụ anụmanụ n'anya, ọ bụghị akwụkwọ akụkọ sayensị. Gwa anyị na [email protected], anyị ga-edozi ya.

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